Question
In what ratio coffee at 275 Rs/kg should be mixed with
the coffee at 325 Rs/kg so that after mixture its rate become 290 Rs/kg if the quantity of 1st type is 49 kg what will be the quantity of the 2nd coffee?Solution
Ratio = 35:15 = 7:3 1st type coffee is 49 kg. So, 7 means 49 kg. Therefore, 2nd type coffee = 49 x (3/7) = 21 kg
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